package com.zd.zjfx.util;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;

import org.apache.tools.zip.ZipFile;

public class ZipUtilApache {
	private static final int buffer = 2048;

	/**
	 * 解压Zip文件
	 * 
	 * @param path 文件目录
	 */
	public static void unZip(String path) {
		int count = -1;
		String savepath = "";
		File file = null;
		InputStream is = null;
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;
		savepath = path.substring(0, path.lastIndexOf(".")) + File.separator; // 保存解压文件目录
		new File(savepath).mkdir(); // 创建保存目录
		ZipFile zipFile = null;
		try {
			zipFile = new ZipFile(path, "gbk"); // 解决中文乱码问题
			Enumeration<?> entries = zipFile.getEntries();
			while (entries.hasMoreElements()) {
				byte buf[] = new byte[buffer];
				ZipEntry entry = (ZipEntry) entries.nextElement();
				String filename = entry.getName();
				boolean ismkdir = false;
				if (filename.lastIndexOf("/") != -1) { // 检查此文件是否带有文件夹
					ismkdir = true;
				}
				filename = savepath + filename;
				if (entry.isDirectory()) { // 如果是文件夹先创建
					file = new File(filename);
					file.mkdirs();
					continue;
				}
				file = new File(filename);
				if (!file.exists()) { // 如果是目录先创建
					if (ismkdir) {
						new File(filename.substring(0, filename.lastIndexOf("/"))).mkdirs(); // 目录先创建
					}
				}
				file.createNewFile(); // 创建文件
				is = zipFile.getInputStream(entry);
				fos = new FileOutputStream(file);
				bos = new BufferedOutputStream(fos, buffer);
				while ((count = is.read(buf)) > -1) {
					bos.write(buf, 0, count);
				}
				bos.flush();
				bos.close();
				fos.close();
				is.close();
			}
			zipFile.close();
		} catch (IOException ioe) {
			ioe.printStackTrace();
		} finally {
			try {
				if (bos != null) {
					bos.close();
				}
				if (fos != null) {
					fos.close();
				}
				if (is != null) {
					is.close();
				}
				if (zipFile != null) {
					zipFile.close();
				}
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}

	public static void main(String[] args) {
		Date a=new Date();
		//unZip("D:\\1300922920200612092847.zip");
		String f = "F:\\132新";
		File file = new File(f);
		String[] test = file.list();
		for (int i = 0; i < test.length; i++) {
			System.out.println(test[i]);
			unZip("F:\\132新\\"+test[i]);
		}
		Date b=new Date();
		System.out.println(a);
		System.out.println(b);
//		System.out.println("------------------");
//		String fileName = "";
//		File[] tempList = file.listFiles();
//		for (int i = 0; i < tempList.length; i++) {
//			if (tempList[i].isFile()) {
//				System.out.println("文   件：" + tempList[i]);
//				fileName = tempList[i].getName();
//				System.out.println("文件名：" + fileName);
//			}
//			if (tempList[i].isDirectory()) {
//				System.out.println("文件夹：" + tempList[i]);
//			}
//		}
	}
}
